docs: def userInformation(MoreData_presence=0):
      """USER INFORMATION Section 9.3.31"""
      a = TpPd(pd=0x3)
      b = MessageType(mesType=0x20)  # 000100000
      c = UserUser()
      packet = a / b / c
      if MoreData_presence is 1:
          d = MoreDataHdr(ieiMD=0xA0, eightBitMD=0x0)
          packet = packet / d
      return packet